package com.peng.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

@Controller
public class LoginController {
    @RequestMapping("/user/login")
    public String login(@RequestParam("username") String username, @RequestParam("password") String password, Model model, HttpSession session){
        //具体的业务
        if(!StringUtils.isEmpty(username) && "123456".equals(password)){
            //return "dashboard";//登录成功，则跳转到dashboard.html页面
            session.setAttribute("loginUser",username);
            return "redirect:/main.html";//跳转到main.html，在MyMvcConfig.java实际跳到了dashboard.html页面
        }else{
            //告诉用户，登录失败
            model.addAttribute("msg","用户名或密码错误");
            return "index";//登录失败，提示失败并跳转到index.html页面
        }
    }
}
